Operating Instructions

Migration Guide SED2 to BT300 Variable Frequency Drives
Document Number 125-1005
January 12, 2015
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as
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Siemens Industry, Inc.
Building Technologies Division
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Document No. 125-1005
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Page 12
Settings The Essential Services feature requires that Controller board DIP Switch 1 is set ON.
NOTE: The Essential Services indicator is on steady.
Figure 9. DIP Switch Setting.
NOTE: Essential Services does not require any BT300 parameter settings. The
Essential Services feature simply puts the Electronic Bypass Option into
override bypass mode no matter what operation is selected.
Wiring
Figure 10. Wiring Example for Essential Services.